肺活量等于
A．潮气量+补呼气量B．潮气量+补吸气量C．潮气量+补吸气量+补呼气量D．潮气量+余气量E．肺容量-补吸气量
参考答案：C
从括号中选出一个填空。
1. How ______ you? (am, is ,are)
2. What ______ this in English? (am, is ,are)
3. What color is the pen? It ______ red. (am, is ,are)
4. What's this? It's ______ orange. (a, an )
5. What's this? It's ______jacket. (a, an )
6. It's ______ English book. (a, an )
公孙配内关属于下列哪种配穴法：
A．左右配穴法
B．上下配穴法
C．前后配穴法
D．主客配穴法
E．以上均不是
